jdk/src/java.base/windows/native/libjava/jni_util_md.c
changeset 25859 3317bb8137f4
parent 22938 dde13f2c082d
child 27184 2996674bd701
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/java.base/windows/native/libjava/jni_util_md.c	Sun Aug 17 15:54:13 2014 +0100
@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2004, 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <windows.h>
+#include <locale.h>
+
+#include "jni.h"
+#include "jni_util.h"
+
+static void getParent(const TCHAR *path, TCHAR *dest) {
+    char* lastSlash = max(strrchr(path, '\\'), strrchr(path, '/'));
+    if (lastSlash == NULL) {
+        *dest = 0;
+        return;
+    }
+    if (path != dest)
+        strcpy(dest, path);
+    *lastSlash = 0;
+}
+
+void* getProcessHandle() {
+    return (void*)GetModuleHandle(NULL);
+}
+
+/*
+ * Windows symbols can be simple like JNI_OnLoad or __stdcall format
+ * like _JNI_OnLoad@8. We need to handle both.
+ */
+void buildJniFunctionName(const char *sym, const char *cname,
+                          char *jniEntryName) {
+    if (cname != NULL) {
+        char *p = strrchr(sym, '@');
+        if (p != NULL && p != sym) {
+            // sym == _JNI_OnLoad@8
+            strncpy(jniEntryName, sym, (p - sym));
+            jniEntryName[(p-sym)] = '\0';
+            // jniEntryName == _JNI_OnLoad
+            strcat(jniEntryName, "_");
+            strcat(jniEntryName, cname);
+            strcat(jniEntryName, p);
+            //jniEntryName == _JNI_OnLoad_cname@8
+        } else {
+            strcpy(jniEntryName, sym);
+            strcat(jniEntryName, "_");
+            strcat(jniEntryName, cname);
+        }
+    } else {
+        strcpy(jniEntryName, sym);
+    }
+    return;
+}